SD卡的详细信息，包括SD卡接口规范和部分内容。

飞思卡尔单片机例程――简单IO口及程序框架，包含纯C和C与汇编混编两个版本-Freescale" s Microcontroller routines- Simple IO mouth and procedural framework, including pure C and C mixed with the compilation of two versions of

mc51单片机与isd1700芯片的通信程序，实现用单片机控制isd1700进行放音，录音等等功能-mc51 SCM and isd1700 chip communication procedures, using single-chip microcomputer to control isd1700 playback, sound recording function, etc.

求任意个数的平均值，输入数字就可以求得结果，是本人学习汇编的习作，请多指教。-seeking arbitrary number, the average import figures can be obtained result is a compilation of my learning exercises, please enlighten.

66PP22A单片机dtmf解码程序,用于DTMF通讯 软解码方式-66PP22A SCM DTMF decoder procedures for communications DTMF decoder soft approach

8输入简易数字电压表，用了AT89C51-8 input simple digital voltage meter, with the AT89C51

51单片机写的程控滤波器，是07年电子大赛的 很多功能没有实现 望高人改正-51 single-chip microcomputer program written filter, is the e-Competition in 2007 did not materialize, many functions of an expert look correct

水果分级，根据水果的大小自动算出经过的时间，然后控制机械部分动作实现分选-fruit grading, according to the size of fruit automatically calculate the elapsed time and then control the mechanical parts action to achieve separation

大型商用电磁炉的源码程序，通过此程序可实现电磁炉的各种功能-Large commercial induction cooker of the source process, this process can be achieved through a variety of functional induction cooker

[原创]PIC单片机计算CRC10的源码.-[original] PIC calculated CRC10 the source.

rs485单线程数据通讯程序，KEY键触发能使单片机之间能够通讯-rs485 data communications single-threaded process, KEY key trigger enable communication between the single-chip